The question is one of the easier to answer: Use mathematical analysis such as calculus of variation and process of variation same way you would if you try to solve Xenon’s paradoxs Then you use Tjebychev’s thesis. In other word if you have math in you, you wouldn’t need a calculator what so ever – it’s easy to calculate in your head.
From NSIDC:
Antarctic sea ice: an update
Antarctic sea ice extent continues to make headlines because it has grown even as much of the globe, and Antarctica itself, is warming. Arctic sea ice, in contrast, is showing a marked decline. Warmer air and ocean waters are bathing both poles, so why does the Antarctic sea ice trend resist decline?
On September 19, 2014, the five-day average of Antarctic sea ice extent reached a maximum record, exceeding 20 million square kilometers for the first time since 1979. The red line shows the average maximum extent from 1979-2014. Credit: NASA’s Scientific Visualization Studio/Cindy Starr
Despite what some might think, high ice extent in Antarctica does not balance out low ice extent in the Arctic. Antarctica is showing strong warming in other areas, and is experiencing the consequences of this warming, such as the dramatic breakups of ice shelves on the Antarctic…
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